The Earth’s magnetosphere is formed when a stream of charged particles, such as the solar wind, interacts with and is deflected by the magnetic field that surrounds our planet. Within Earth’s magnetosphere are energetic particles that emit radio waves which are at frequencies audible to the human ear. This phenomenon is known as “chorus” and sounds like something straight out of a 1950s flying saucer movie. Listen below to the sounds picked up by NASA’s recently launched RBSP spacecraft.

Weird, right? Well, just wait until you hear the radio waves that NASA’s spacecraft Cassini picked up when it was monitoring auroras close to Saturn’s north and south pole. This is as eerie as it gets.

With sounds like these so close to home, what can we possibly expect to hear if/when we receive an extraterrestrial broadcast?

(Via NASA & NASA)

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